20390874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485497}}^1$

素因数の和:485509

約数の個数: 16

約数和(自身を含む): 46607808

約数和(自身を除く): 26216934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485497, 970994, 1456491, 2912982, 3398479, 6796958, 10195437, 20390874]

約数ペア:

[(1, 20390874), (2, 10195437), (3, 6796958), (6, 3398479), (7, 2912982), (14, 1456491), (21, 970994), (42, 485497)]